Hydrology

Order of the National Green Tribunal regarding floating hotel in Tehri Lake, 10/02/2025

Order of the National Green Tribunal in the matter of News item titled "Uttarakhand HC License expired why is floating hotel running?" appearing in the Times of India dated 07.01.2024. The MA was registered on the basis of the report dated June 14, 2024 filed by the National Mission for …

Quantifying uncertainties in modeling climate change impacts on hydropower production

Climate change will have large impacts on water resources and its predictions are fraught with uncertainties in West Africa. With the current global drive for renewable energy due to climate change, there is a need for understanding the effects of hydro-climatic changes on water resources and hydropower generation. A hydrological …

Forest min seeks bar on 417 coal blocks, coal min says choose 49

The coal ministry wants mining to be allowed till river boundaries, leaving just 15 metres of protected area Of the 835 coal blocks surveyed, the environment ministry’s Forest Survey of India (FSI) has found that mining would have to be partly restricted in 417 to safeguard the rivers. The coal …

Seasonality, barrage (Farakka) regulated hydrology and flood scenarios of the Ganga River: a study based on MNDWI and simple Gumbel model

The hydrology of the Ganga River is mainly characterized by high monsoon rainfall and seasonal variability in discharge flow. The study is focuses on both the up and down-streams of Farakka barrage. It has been executed with the help of Modified Normalized Difference Water Index using Landsat satellite images (2014), …

Methods to investigate the hydrology of the Himalayan springs: a review

Springs are the major source of freshwater in many small mountainous watersheds within the Himalayan region. In recent years, their flow rates have diminished, but the reasons for this are not self-evident. This paper reviews the methods that investigate the hydrology of springs, with a focus on the Himalayan region. …

Judgement of the National Green Tribunal regarding CRZ clearance for construction of retaining wall, service road along with the banks of the river Mithi, Mumbai, …

Judgement of the National Green Tribunal in the matter of Jalbiradari & Others Vs Ministry of Environment & Forests & Others dated 31/05/2016 regarding grant of CRZ Clearance for construction of retaining wall, service road along with the banks of the river Mithi, Mumbai by M/s Mumbai Metropolitan Region and …

Hydrological corridors for landscape and climate restoration: Prioritization of re-greening areas in Kenya and Tanzania

The Naga Foundation aims to implement durable re-greening interventions to increase local soil sustainability and regional water availability. When this is done on a large enough scale such landscape changes may also lead to positive regional climate impacts. Naga is developing a plan to re-green 15 large areas in Eastern …

Experimental river delta size set by multiple floods and backwater hydrodynamics

River deltas worldwide are currently under threat of drowning and destruction by sea-level rise, subsidence, and oceanic storms, highlighting the need to quantify their growth processes. Deltas are built through construction of sediment lobes, and emerging theories suggest that the size of delta lobes scales with backwater hydrodynamics, but these …

The importance of base flow in sustaining surface water flow in the Upper Colorado River Basin

The Colorado River has been identified as the most overallocated river in the world. Considering predicted future imbalances between water supply and demand and the growing recognition that base flow (a proxy for groundwater discharge to streams) is critical for sustaining flow in streams and rivers, there is a need …

Flow management for hydropower extirpates aquatic insects, undermining river food webs

Dams impound the majority of rivers and provide important societal benefits, especially daily water releases that enable on-peak hydroelectricity generation. Such “hydropeaking” is common worldwide, but its downstream impacts remain unclear. We evaluated the response of aquatic insects, a cornerstone of river food webs, to hydropeaking using a life history–hydrodynamic …

Fate of water pumped from underground and contributions to sea-level rise

The contributions from terrestrial water sources to sea-level rise, other than ice caps and glaciers, are highly uncertain and heavily debated. Recent assessments indicate that groundwater depletion (GWD) may become the most important positive terrestrial contribution over the next 50 years, probably equal in magnitude to the current contributions from …

Order of the National Green Tribunal regarding Shriram Chirping Woods project coming up between Kaikondrahalli and Kasavanahalli lakes in the City of Bengaluru, 26/04/2016

Order of the National Green Tribunal (Southern Zone Bench, Chennai) in the matter of Namma Bengaluru Foundation & Others Vs State of Karnataka dated 26/04/2016 regarding development of a residential developmental project in the name of Shriram Chirping Woods consisting of several blocks of apartments spread over an area of …

Flood forecasting and early warning in transboundary river basins: a toolkit

The Flood Forecasting and Early Warning in Transboundary River Basins: A Toolkit, produced by the United Nations Economic and Social Commission for Asia and the Pacific (ESCAP) and the Regional Integrated Multi-Hazard Early Warning System (RIMES), is a guide book for building capacity of flood management practitioners in transboundary river …

Divergence of ecosystem services in U.S. National Forests and Grasslands under a changing climate

The 170 National Forests and Grasslands (NFs) in the conterminous United States are public lands that provide important ecosystem services such as clean water and timber supply to the American people. This study investigates the potential impacts of climate change on two key ecosystem functions (i.e., water yield and ecosystem …

Regional disparities in the beneficial effects of rising CO2 concentrations on crop water productivity

Rising atmospheric CO2 concentrations are expected to enhance photosynthesis and reduce crop water use. However, there is high uncertainty about the global implications of these effects for future crop production and agricultural water requirements under climate change. Here we combine results from networks of field experiments and global crop models …

Earth observation for water resources management: current use and future opportunities for the water sector

This book describes some key global water challenges, perspectives for remote sensing approaches, and their importance for water resources-related activities. It presents eight key types of water resources management variables, a list of sensors that can produce such information, and a description of existing data products with examples. This book …

New institutional structure for water security in India

There has been no significant change in the knowledge-base and institutional structure for managing water systems since colonial rule. This makes the recent efforts of the Ministry of Water Resources for restructuring the Central Water Commission and the Central Ground Water Board significant. This article argues that the effort should …

Northern Hemisphere hydroclimate variability over the past twelve centuries

Accurate modelling and prediction of the local to continental-scale hydroclimate response to global warming is essential given the strong impact of hydroclimate on ecosystem functioning, crop yields, water resources, and economic security. However, uncertainty in hydroclimate projections remains large, in part due to the short length of instrumental measurements available …

Cabinet approves central system for water mgmt

With climate change, frequent extreme weather events and an increasingly unpredictable monsoon impacting millions each year, the Centre has cleared a proposal to set up a centralised system for providing real-time data for flood forecasts, water resource assessment and drought management. The Cabinet's decision on Wednesday approving implementation of the …

Judgement of the National Green Tribunal regarding construction of the 3rd bridge across River Mandovi in Goa, 07/04/2016

Judgement of the National Green Tribunal (Western Zone Bench, Pune) in the matter of Goa Foundation Vs Goa State Infrastructure Development Corporation & Others dated 07/04/2016. This Application is filed on 9th August, 2015, seeking prayers to enforce compliance with the requirement of EIA Notification, 2006 and CRZ Notification 2011 …

Judgement of the National Green Tribunal regarding Tidong-I Hydro Electric Project in Kinnaur, Himachal Pradesh, 04/04/2016

Judgement of the National Green Tribunal in the matter of Ajay Kumar Negi & Others Vs Union of India & Others dated 04/04/2016 regarding Tidong-I Hydro Electric Project in Kinnaur, Himachal Pradesh. The Tribunal permits the Project Proponent (M/s Nuziveedu Seeds Ltd) to carry out the construction work of the …

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